2 de 3 - Duo version

Recording by Christian Meier.

Recording identifiers

ISRC
ES71G2325299
CopyrightID (CopyrightChains transaction hash)
0xd68efd260e3fe5d735ba470c2100fcd8b3c8e5cf8bf3295f5325ce5559f424a1
Copyright registration time
2026-06-07T15:31:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:7db029d80154d0c79a9dbaafcafe5b8de4c932ec70680da04666032e05801f76

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.